Ronstan Series 30 High Load Lashing Orbit Block™, 550kg MWL

Elevate your sailing performance with the Ronstan Series 30 High Load Lashing Orbit Block™, RF35109HL. Engineered for modern high-performance and foiling sailboats, this block delivers exceptional strength-to-weight ratio and ultra-low friction, making it ideal for demanding marine applications. Its innovative design ensures reliable and efficient control, allowing you to optimize your rigging with confidence. Upgrade your system today for superior handling and speed.

Key Benefits & Specifications:

• Class-Leading Working Load: Boasts a maximum working load of 550kg (1210lbs) and a breaking load of 1650kg (3630lbs). Ensures robust performance for demanding high-load applications.
• Ultra-Lightweight Design: Weighing just 42 grams (1.5oz). Achieves an impressive strength-to-weight ratio for optimal sailing efficiency without adding unnecessary bulk.
• Advanced 2-Stage Bearing System: Features high compression grade Acetal ball bearings and a secondary full-contact bearing. Provides minimum friction and consistent performance across the full working load range.
• Durable Construction: Utilizes glass fibre reinforced nylon cheeks, an ultra-strong HHL sheave and bearing race of Grade 2205 stainless steel, and Grade 316 stainless steel balls. Ensures exceptional strength and longevity in harsh marine environments.
• Versatile Lashing Attachment: Designed for simple and secure lashing through the central hub. Offers adaptable rigging options, compatible with Dyneema®/Spectra® lines and carbon laminate connection points.
• Optimized Low Profile: Compact design with a two-way head that allows for alignment at 0° or 90° orientation. Reduces weight and bulk while providing flexible integration into various setups.
• Self-Lubricating Sheave: Equipped with a self-lubricating Nylatron® sheave. Maintains smooth operation and accommodates high dynamic loads with minimal maintenance.
• Max Line Compatibility: Supports lines up to 8mm (5/16"). Ideal for modern, high-strength rope applications.

Recommended Applications:

• Mainsheet systems and spinnaker sheets on dinghies up to 5M (16').
• Halyard, vang, backstay, cunningham, and outhaul systems on boats up to 5M (16').
• Control line applications on larger yachts.
• High load vang purchase systems on Moth and Laser dinghies.
• Halyards on 16 and 18ft skiffs.